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Finding the Fourth Proportional to 170,163.69, 255,236.22 and 51,825.12

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Solution

The fourth proportional to 170,163.69, 255,236.22 and 51,825.12 is: 77,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,163.69 : 255,236.22 = 51,825.12 : x
  2. Step 2: Convert to fraction form
    170,163.69/255,236.22 = 51,825.12/x
  3. Step 3: Cross multiply
    170,163.69x = 255,236.22 × 51,825.12
  4. Step 4: Simplify right side
    170,163.69x = 13,227,647,729.85
  5. Step 5: Solve for x
    x = 13,227,647,729.85/170,163.69
  6. Step 6: Final answer
    x = 77,734.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.